This statement is<span> jargon, </span>and jargon is the language used by certain professions, such as lawyers, doctors, etc.
So having this in mind, we can see that the sentence clearly used medical terms, so it has to be jargon.
D is the correct answer.
A
B
C
D
Sane rhymes with Chain.
I'd say the fact that the characters are talking animals is a pretty good indicator that this story was made for children.